ISM PN 4.0

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ISM PN 4.0 sport factory
  • 5mm wider than the PN3.0 to accommodate a greater range of sit bone widths
  • PN4.0 offers superb thigh and hamstring clearance which allows for more rider body movement around the seat and is great for diving into fast corners
  • Features ISM 30-series foam padding for a balance of performance and comfort
  • The ISM PN4.0 is the newest offering in the Performance Narrow category of saddles
  • Tapered-edge mold design for incredible comfort
  • Auto-racing inspired air vent chassis